Home / 986,915.31-1,362,159.08-624,821.95

Finding the Fourth Proportional to 986,915.31, 1,362,159.08 and 624,821.95

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Solution

The fourth proportional to 986,915.31, 1,362,159.08 and 624,821.95 is: 862,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,915.31 : 1,362,159.08 = 624,821.95 : x
  2. Step 2: Convert to fraction form
    986,915.31/1,362,159.08 = 624,821.95/x
  3. Step 3: Cross multiply
    986,915.31x = 1,362,159.08 × 624,821.95
  4. Step 4: Simplify right side
    986,915.31x = 851,106,892,575.81
  5. Step 5: Solve for x
    x = 851,106,892,575.81/986,915.31
  6. Step 6: Final answer
    x = 862,391.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.